diff --git a/doc/requirements.txt b/doc/requirements.txt
index f196c1ea..beeabd45 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -16,7 +16,10 @@ oslo.policy>=1.33.1 # Apache-2.0
 # NOTE(gorshunovr): from ../requirements.txt
 beaker==1.10.0
 falcon==1.4.1
+jsonpath-ng==1.4.3
 keystoneauth1==3.11.1
+networkx==2.2
 python-barbicanclient==4.7.0
 oslo.db==4.41.1
 oslo.log==3.40.1
+Werkzeug==0.14.1